A chance encounter on a cold, misty morning on the outskirts of Valdivia changes the life of 33-year-old Angélica forever. After a brief, mundane ten-minute conversation with Fernando—a wandering passerby—he vanishes without a trace. From that day on, Angélica’s life becomes a nightmare: she finds herself the "key witness" in the case, subjected to intense public scrutiny, hate campaigns on social media, and harassment by the family’s lawyer, Raúl.